Path: ...!Xl.tags.giganews.com!local-2.nntp.ord.giganews.com!news.giganews.com.POSTED!not-for-mail NNTP-Posting-Date: Sat, 21 Sep 2024 15:54:53 +0000 From: Joe Gwinn Newsgroups: sci.electronics.design Subject: Re: Magnetic force Date: Sat, 21 Sep 2024 11:54:52 -0400 Message-ID: References: <1r0885d.o80j7rpjq6oeN%liz@poppyrecords.invalid.invalid> User-Agent: ForteAgent/8.00.32.1272 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 25 X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-DrdOql4FM+JeMtBQhnf2fKMxyYIFr8h1XS8uLsRyaQ7iiA3pfuaTNHDdTz9UCuC7IZXRaQe93NNczeL!CHXS6UXjaTdDisX9P2kHwd9vvbHB5L2nlAPatK2nBLvKVoZYvI74+/53/WXcyzS0re1VGWU= X-Complaints-To: abuse@giganews.com X-DMCA-Notifications: http://www.giganews.com/info/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 2094 On Sat, 21 Sep 2024 08:48:09 +0100, liz@poppyrecords.invalid.invalid (Liz Tuddenham) wrote: >Joe Gwinn wrote: > >[...] >> A good way to clean stuff off a magnet pole is adhesive tape. > >If the surface is too convoluted for the tape to work, there is a >product in the UK called "Copydex", which is sold as a carpet glue but >can be used to remove debris from a magnet. It is an emulsified latex >solution which doesn't stick well to metal surfaces and can be peeled >off easily. > >You apply the Copydex thickly over the surface to be cleaned - and then >wait. Eventually the milky white liquid dries to complete transparency, >then it is strong enough to be peeled off, bringing the debris with it. Sounds like a modern equivalent to soft Collodion, which is widely used to clean optical surfaces. .. Joe Gwinn